html,body,p,div,span,img,h1,h2,h3,h4,h5,h6,ul,li{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    background-color: #ECF1F4;
}
ul,li{
    list-style: none;
}
a{
    text-decoration: none;
}
.common_padding{
    margin-bottom: 10px;
    padding: 0.5rem;
    background-color: #ffffff;
}
.red_tip{
    color: #F71E00;
}
.bold700{
    font-weight: 700;
}
